CN113458734A - Self-balancing elevator traction sheave and production method thereof - Google Patents
Self-balancing elevator traction sheave and production method thereof Download PDFInfo
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- CN113458734A CN113458734A CN202110827639.7A CN202110827639A CN113458734A CN 113458734 A CN113458734 A CN 113458734A CN 202110827639 A CN202110827639 A CN 202110827639A CN 113458734 A CN113458734 A CN 113458734A
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- traction sheave
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
Abstract
The invention discloses a self-balancing elevator traction sheave and a production method thereof, wherein the self-balancing elevator traction sheave comprises a working plate, a rotating structure and vertical plates, wherein the rotating structure is installed at the bottom of the working plate, and two groups of vertical plates are installed at the top of the working plate; four groups of fixed plates are evenly installed at the top of the working plate, wherein two groups of the fixed plates are attached to the front surfaces of the back surface of the fixed plate and the other two groups of the fixed plates respectively and the front surfaces of the two groups of the vertical plates and the back surfaces of the fixed plates respectively, and an electric telescopic rod is installed on the outer wall of one side, close to the fixed limiting ring, of the fixed plate. The invention can be poured in blocks, the traction sheave is divided into three parts for manufacturing, the three parts are assembled when in use, if the traction sheave is damaged, one group of the components can be correspondingly replaced, and then the purpose of reducing the replacement materials is achieved.
Description
Technical Field
The invention relates to the technical field of traction sheaves, in particular to a self-balancing elevator traction sheave and a production method thereof.
Background
The traction sheave is a sheave on an elevator traction machine, also called a traction sheave or a drive sheave, and is a device for transmitting traction power of an elevator, the elevator can transmit the traction power through friction force between a steel wire rope and a groove surface of the traction sheave, the traction sheave is an important part for safe driving of the elevator, and the rim groove of the part needs to bear all dynamic and static loads such as a car, a load capacity, a counterweight and the like, so the traction sheave is required to have high strength, toughness, wear resistance and impact resistance.
The existing self-balancing elevator traction sheave and the production method thereof have the defects that:
1. the comparison document CN111922853A discloses a manufacturing and processing device and a manufacturing and processing method for an elevator traction wheel, and the manufacturing and processing device comprises a base, a rotating mechanism, a polishing mechanism, a placing table, a limiting strip, a height adjusting mechanism and a driving mechanism, wherein the base is of a trapezoidal structure with the upper end on the front side inclined backwards, a mounting groove is formed in the middle of the base, the rotating mechanism is mounted in the mounting groove, the polishing mechanism is mounted on the rear side of the upper end surface of the base, the placing table is uniformly mounted on the upper end surface of the base, the limiting strip is detachably mounted on the upper end surface of the placing table and the inclined surface of the base, the height adjusting mechanism is mounted on the upper end surface of the base, the height adjusting mechanism is positioned on the left side and the right side of the upper end surface of the base, and the driving mechanism is mounted on the right side of the height adjusting mechanism; the invention can solve the problems existing in the prior process of polishing the traction sheave by using the traction sheave polishing machine that: burrs on the inner wall of a rope groove of the elevator traction sheave cannot be removed; can only polish the traction wheel of one elevator at a time and the like. However, in the invention, when the traction sheave is manufactured by casting, an integral mode is adopted, when the traction sheave is seriously worn, the traction sheave cannot be used continuously, and the waste of resources cannot be reduced by replacing a worn area;
2. the comparison document CN105438939A discloses a traction sheave, and the invention is realized by the following technical scheme: the utility model provides a novel traction sheave, the connecting axle with connect epaxial main round, the towline is connected on the main round, still contain with the main round is contradicted and is used for fixing the main round is in the fixing device of position on the connecting axle, be used for avoiding the main round takes place the steady round device that heels and is used for the test the tensile detection device of towline, there is length distance scale on the connecting axle to there are a plurality of locating holes. The invention aims to provide a novel traction sheave, and aims to provide the novel traction sheave, wherein the intervals among a plurality of traction sheaves are conveniently and accurately adjusted, the supporting performance is good, and meanwhile, the tension of a traction rope can be detected at the first time. However, the device is lack of parts and operations for polishing the annular rope groove of the traction wheel, so that the polishing precision of the annular rope groove is low, and the abrasion of the pull rope is easily caused when the device is connected with the pull rope;
3. the comparison document CN210754996U discloses an improved ductile iron traction sheave, which comprises a casting upper die, a casting lower die, a sand core and a traction sheave body, wherein a sheave groove part of the traction sheave body is provided with a special-shaped chill, and a lead block is arranged inside the special-shaped chill to increase the chilling effect of the chill; the special-shaped chilling block is in a surrounding shape, only the middle opening of the outer side of the special-shaped chilling block is provided, and a lead block is poured into the opening of the special-shaped chilling block; the sand core is arranged in the middle of the traction sheave body positioned in the lower casting mold, and special-shaped chills are arranged in wheel grooves on two sides of the traction sheave body. Adopt the utility model discloses an improved generation ductile iron traction sheave through at the inside special type chill that sets up of traction sheave, increases the chilling effect of chill to obtain fine and close organizational structure, and finally gain the tissue of pearlite base member, and need not take the hardness that heat treatment method improves the ductile iron foundry goods, make casting enterprise can produce the ductile iron traction sheave energy-concerving and environment-protective, the casting process is succinct convenient. However, when the device is used for polishing the annular rope groove, a part for pressing the traction sheave is lacked, so that the traction sheave is easy to shake up and down when rotating and being polished, and the polishing effect is influenced;
4. the contrast document CN108145076A discloses a casting method of a high-strength high-density alloy ductile iron traction sheave casting, which relates to a casting method of a high-strength high-density alloy ductile iron traction sheave casting, which can ensure that a casting body has high hardness and strong tensile resistance, has high production efficiency, high casting yield and low casting rejection rate, and comprises the following steps of preparing a traction sheave mold, molding the traction sheave mold by sand and treating a mold cavity, sequentially manufacturing a lower mold cavity and an upper mold cavity, and then closing the lower mold cavity and the upper mold cavity to form a traction sheave casting mold cavity; casting a traction wheel, namely putting the metal mixed furnace burden into a smelting device for metal smelting, performing tapping operation when the smelting temperature reaches 1500 +/-10 ℃, then performing stream inoculation on the smelted molten iron, and pouring the molten iron into a traction wheel casting mold cavity at the speed of 40 +/-5 seconds per box when the temperature of the molten iron after inoculation is controlled to be 1360-1380 ℃; and step three, carrying out heat preservation treatment on the traction sheave, opening a cavity after the traction sheave is cast, and taking out the traction sheave casting. The advantages are that: the mechanical property and the matrix structure of the casting are greatly improved, the process yield of the product blank casting is improved to 80 percent from the original 65 percent, and the rejection rate of the casting is reduced to within 1 percent from the original 15 percent. However, the method lacks the operation of surface quenching at the annular rope groove of the traction sheave, the internal and external strength of the traction sheave is consistent, and the fatigue strength at the annular rope groove is general, so that the wear resistance is low.
Disclosure of Invention
The present invention aims to provide a self-balancing elevator traction sheave and a method for producing the same, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a self-balancing elevator traction sheave and a production method thereof comprise a working plate, a rotating structure and vertical plates, wherein the rotating structure is installed at the bottom of the working plate, the top of the rotating structure penetrates through the inside of the working plate, two sets of vertical plates are installed at the top of the working plate, and the two sets of vertical plates are respectively positioned on two sides of the rotating structure;
four groups of fixed plates are uniformly installed at the top of the working plate, wherein the back surfaces of the fixed plates and the front surfaces of the other two groups of fixed plates are respectively attached to the front surfaces and the back surfaces of the two groups of vertical plates, an electric telescopic rod is installed on the outer wall of one side, close to the fixed limiting ring, of the fixed plate, a connecting plate is installed at one end of the electric telescopic rod, two groups of connecting rods are installed outside the side, away from the electric telescopic rod, of the connecting plate, a fixed column is installed at the top of each connecting rod, the bottom of each fixed column penetrates through the inside of the other group of connecting rods, and a plurality of groups of polishing discs are uniformly installed on the outer surfaces of the fixed columns.
Preferably, fixed spacing ring is installed at the top of revolution mechanic, and circular fender ring is installed to the outer wall of fixed spacing ring, and interior annular plate is installed at the top of fixed spacing ring, and multiunit gomphosis piece is evenly installed to the outer wall of interior annular plate, and multiunit screw nail is evenly installed at the top of interior annular plate, and multiunit branch is evenly installed to the inside of interior annular plate, and the drum is installed to the one end of branch.
Preferably, outer annular plate is installed at the top of fixed spacing ring, and outer annular plate encircles the outside of installing inner annular plate, and the outer wall of outer annular plate evenly is provided with multiunit annular grooving, and multiunit block is evenly installed to the inside of outer annular plate, and the both sides outer wall of every block of group all with the outer wall laminating of other two sets of gomphosis pieces, movable spacing ring is installed at the top of inner annular plate and outer annular plate, the top of activity spacing ring evenly is provided with the logical groove of multiunit, and the inner wall that leads to the groove is laminated with the outer wall of screw nail.
Preferably, the diaphragm is installed at the top of riser, and the top of diaphragm is provided with the slot hole, and the cylinder is installed at the top of one set of riser wherein, and the inside in slot hole is run through at cylindrical top, and two sets of electronic flexible section of thick bamboos are installed to the bottom of diaphragm, and the pressboard is installed to the bottom of electronic flexible section of thick bamboo.
Preferably, the top of working plate is provided with the gomphosis groove, and the bottom of working plate evenly installs the multiunit support column, and the bottom plate is installed to the bottom of support column.
Preferably, the rotating structure comprises a rotating motor, a circular plate and a clamping column, the bottom of the rotating motor is attached to the top of the bottom plate, the rotating shaft is mounted at the output end of the rotating motor, the circular plate is mounted at the top of the rotating shaft, the outer wall of the circular plate is attached to the inner wall of the embedding groove, the clamping column is mounted at the top of the circular plate, and the outer wall of the clamping column is attached to the inner wall of the cylinder.
Preferably, the method for producing the traction sheave comprises the following specific implementation steps:
s1, manufacturing a mold: designing a drawing, and manufacturing a mold cavity of each block of the traction sheave according to the size of the drawing;
s2, smelting: carrying out ingredient calculation according to the size of a traction wheel, putting ingredients into ingredient smelting equipment, controlling the initial temperature to be 1200-1300 ℃, controlling the temperature to be 1400-1500 ℃ during ingredient smelting, and preparing for discharging operation when the smelting temperature reaches 1470-1500 ℃;
s3, casting a traction sheave: naturally carrying out flow-following treatment on the batching solution in the step S2, pouring the batching solution along the center of the inner circle of the cavity of the traction sheave die when the temperature of the batching solution is reduced to 1300-1350 ℃, wherein the flow can not be cut off in the pouring process, stable and accurate pouring is required, the pouring speed is ensured to be uniform, and during pouring, the batching solution rotates and flows outwards at the center point of the cavity of the die, so that the uniform and consistent upper and lower hardness of the traction sheave workpiece is ensured;
s4, heat preservation treatment: when the temperature of the traction sheave is reduced to 200-300 ℃ in the step S3, opening a mold cavity of the traction sheave, taking out each workpiece of the traction sheave, placing the workpiece in a heat preservation furnace for heat preservation for 15-18H, and then placing the workpiece in a closed space environment with the pressure less than 1 MPa for natural cooling;
s5, cleaning and protecting: carrying out sand cleaning treatment, polishing treatment and surface protection treatment on a traction sheave workpiece;
s6, assembling: assembling all parts forming the traction sheave;
s7, polishing: polishing the annular rope groove of the traction sheave by using a polishing disc;
s8, laser surface quenching and hardening treatment: the sheave workpiece in the step S5 is placed near the laser quenching device, and the laser quenching is performed on the surfaces of the plurality of sets of annular rope grooves of the sheave, respectively.
Preferably, in the step S1, in the manufacturing process, a module formed by combining components such as the fixed limit ring, the circular stop ring, the inner annular plate, the embedded block, the threaded nail, the cylinder, the support rod and the like may be poured into the same mold cavity, a module formed by combining components such as the outer annular plate, the annular rope groove, the clamping block and the like may be poured into the same mold cavity, and the movable limit ring and the through groove may be poured into another set of mold cavity.
Preferably, in the manufacturing process of step S6, the outer annular plate needs to be installed outside the inner annular plate, each group of engaging blocks is engaged with the groove formed between the two groups of engaging blocks, the movable limiting ring is placed on the top of the outer annular plate and the top of the inner annular plate, the top of the threaded nail is correspondingly penetrated through the inside of the through groove, the nut is sleeved on the outer surface of the threaded nail, and the nut is tightened, so that each component module of the traction wheel forms a whole.
Preferably, in step S7, the combined traction sheave workpiece needs to be placed above the circular plate to make the outer wall of the clamping column fit to the inner wall of the cylinder, then two sets of electric telescopic cylinders are started, which extend downwards to drive the pressing plate installed below to move towards the top of the traction sheave workpiece until the bottom of the pressing plate fits to the top of the traction sheave workpiece, i.e. stopping the movement of the electric telescopic cylinders, then four sets of electric telescopic rods are started, which extend outwards to a length that can drive the parts installed at one end of the electric telescopic rods to move towards the direction of the traction sheave until the outer surfaces of the plurality of sets of polishing discs respectively fit to the inner walls of the plurality of sets of annular rope grooves, i.e. stopping the movement of the electric telescopic cylinders, and finally the rotating motor is started to make the rotating shaft installed at the output end rotate, then the circular plate installed at the top of the rotating shaft is driven to rotate, and finally the circular plate can drive the traction sheave workpiece installed at the top of the circular plate to rotate, when the polishing disc rotates, the annular rope groove and the polishing disc rub against each other, and the annular rope groove can be uniformly polished.
Compared with the prior art, the invention has the beneficial effects that:
1. the fixed limiting ring is used for installing the inner annular plate, the modules which are combined with the circular retaining ring, the embedded blocks, the threaded nails, the cylinder, the support rod and other components can be poured in the same mould cavity, the modules which are combined by the outer annular plate, the annular rope grooves, the clamping blocks and other components, the movable limiting ring and the through groove can be poured in the other two groups of mould cavities, then the outer annular plate is needed to be installed at the outer side of the inner annular plate, each group of clamping blocks is clamped in the groove formed between the two groups of embedded blocks, then the movable limiting ring is placed at the top of the outer annular plate and the inner annular plate, the top of the threaded nails correspondingly penetrates through the inside of the through groove, then the nut is sleeved on the outer surface of the threaded nails and tightened, so that each component module of the traction wheel can form a whole, when the traction wheel is used, if the annular rope grooves are greatly worn in the long-term use process, the nut sleeved on the outer surface of the threaded nail can be rotated to separate the threaded nail and the nut, then the movable limiting ring is taken down from the combined traction sheave, then the external annular plate is applied with a pulling force far away from the internal annular plate to separate the threaded nail and the nut gradually, and then a new external annular plate is installed on the traction sheave, so that the whole traction sheave can be prevented from being replaced, and the production cost is reduced;
2. in the polishing process, four groups of electric telescopic rods are started, can contract inwards or extend outwards to the self length, and can drive each part installed at one end of each electric telescopic rod to move towards the direction of the traction wheel when extending outwards to the length until the outer surfaces of the multiple groups of polishing disks are respectively attached to the inner walls of the multiple groups of annular rope grooves, namely the movement of the electric telescopic cylinder is stopped, so that the positions of the polishing disks can be adjusted according to the sizes of different traction wheels, meanwhile, the surfaces of the polishing disks are convenient to attach to the inner walls of the annular rope grooves of the traction wheel, the two parts are ensured to be in full contact, the polishing precision is increased, the connecting plates and the connecting rods are integrated and are used for installing the fixing columns, the fixing columns are used for installing the multiple groups of polishing disks, the distance between the multiple groups of polishing disks is the same as the distance between each group of annular rope grooves, and the two parts are convenient to be matched;
3. the electric telescopic cylinder is required to be started before the annular rope groove is polished, the electric telescopic cylinder can be contracted upwards or extend downwards to the length of the electric telescopic cylinder after being started, and when the electric telescopic cylinder extends downwards, the pressing plate can be driven to move towards the top of the traction wheel until the bottom of the pressing plate is attached to the top of the traction wheel, so that the phenomenon that the traction wheel shakes up and down to influence the polishing effect when the traction wheel rotates and polishes under the driving of the rotating motor can be avoided;
4. the invention can use the laser quenching device to emit light beams on the surface of each annular rope groove from top to bottom, and the traction sheave rotates under the driving of external force, then the hardening treatment is conveniently carried out on one circle of the annular rope grooves, after the laser treatment is finished, because only the surface layer is heated, the core part strength of the traction sheave is kept in a state before quenching, the self-quenching on the surface of the annular rope groove is realized by means of the rapid heat exchange between the unheated core part of the traction sheave and the high-temperature surface, and then a martensite quenching layer is obtained, and the surface of the annular rope groove subjected to surface quenching generates larger residual compressive stress, so that the fatigue strength of the material can be improved, the wear resistance of the annular rope groove is increased, and the service life of the traction sheave is correspondingly prolonged.
Drawings
FIG. 1 is a flow chart of the production process of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic view of the installation structure of the working plate and the rotating structure according to the present invention;
FIG. 5 is a schematic view of the mounting structure of the vertical plate, the column and the transverse plate according to the present invention;
FIG. 6 is a schematic view of the mounting structure of the fixing post and the polishing disc according to the present invention;
FIG. 7 is a schematic view of an installation structure of the fixed stop collar, the outer annular plate and the movable stop collar of the present invention;
FIG. 8 is a schematic view of the mounting structure of the fixed stop collar, the inner annular plate and the outer annular plate according to the present invention;
fig. 9 is a schematic view of the installation structure of the inner annular plate and the engagement block of the present invention.
In the figure: 1. a working plate; 101. a fitting groove; 102. a support pillar; 103. a base plate; 2. a rotating structure; 201. rotating the motor; 202. a circular plate; 203. clamping the column; 3. a vertical plate; 301. a cylinder; 302. a transverse plate; 303. an electric telescopic cylinder; 304. pressing a plate; 4. a fixing plate; 401. an electric telescopic rod; 402. a connector tile; 403. a connecting rod; 404. fixing a column; 405. polishing the disc; 5. fixing a limiting ring; 501. a circular baffle ring; 6. an inner annular plate; 601. a fitting block; 602. a threaded nail; 603. a cylinder; 604. a strut; 7. an outer annular plate; 701. an annular rope groove; 702. a clamping block; 8. a movable limiting ring; 801. a through groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2, fig. 3, fig. 4 and fig. 6, the present invention provides an embodiment: a self-balancing elevator traction sheave and a production method thereof comprise a working plate 1, a rotating structure 2 and a vertical plate 3, wherein the top of the working plate 1 is provided with an embedded groove 101, a plurality of groups of supporting columns 102 are uniformly arranged at the bottom of the working plate 1, and a bottom plate 103 is arranged at the bottom of the supporting columns 102.
Specifically, the working plate 1 provides a stable place for placing the traction sheave, the engaging groove 101 can be engaged with the circular plate 202, the circular plate 202 can rotate inside the engaging groove 101 under the driving of an external force, and the supporting column 102 is used for supporting the working plate 1 and has a certain height, so as to support a certain space between the working plate 1 and the bottom plate 103, thereby facilitating the placement of the rotating motor 201.
Four groups of fixing plates 4 are uniformly installed at the top of the working plate 1, wherein the back surfaces of the two groups of fixing plates 4 and the front surfaces of the other two groups of fixing plates 4 are respectively attached to the front surfaces and the back surfaces of the two groups of vertical plates 3, an electric telescopic rod 401 is installed on the outer wall of one side, close to the fixed limiting ring 5, of the fixing plate 4, a connecting plate 402 is installed at one end of the electric telescopic rod 401, two groups of connecting rods 403 are installed outside one side, away from the electric telescopic rod 401, of the connecting plate 402, fixing columns 404 are installed at the tops of the connecting rods 403, the bottoms of the fixing columns 404 penetrate through the inside of the connecting rods 403 of the other group, and a plurality of groups of polishing disks 405 are uniformly installed on the outer surfaces of the fixing columns 404.
Specifically, the fixing plate 4 is used for installing the electric telescopic rods 401, the four groups of electric telescopic rods 401 are started, the electric telescopic rods can contract inwards or extend outwards to the length of the electric telescopic rods, when the electric telescopic rods extend outwards to the length, the fixing plate can drive each part installed at one end of each electric telescopic rod to move towards the direction of the traction wheel until the outer surfaces of the groups of polishing disks 405 are respectively attached to the inner walls of the groups of annular rope grooves 701, namely the movement of the electric telescopic cylinder 303 is stopped, the position of the polishing disks 405 can be adjusted according to the sizes of different traction wheel sizes, meanwhile, the surfaces of the polishing disks 405 and the inner walls of the annular rope grooves 701 of the traction wheel are convenient to attach to each other, the two are ensured to be fully contacted, the polishing precision is improved, the connecting plate 402 and the connecting rod are integrated and used for installing the fixing columns 404, the fixing columns 404 are used for installing the groups of polishing disks 405, the distance between the groups of polishing disks 405 is the same as the distance between each group of annular rope grooves 701, the two are convenient to be matched.
Rotating-structure 2 is installed to the bottom of working plate 1, and rotating-structure 2's top runs through the inside of working plate 1, rotating-structure 2 comprises rotation motor 201, plectane 202, card post 203, the bottom of rotation motor 201 and the top laminating of bottom plate 103, the pivot is installed to the output of rotation motor 201, plectane 202 is installed at the top of pivot, and the outer wall of plectane 202 and the inner wall laminating of gomphosis groove 101, card post 203 is installed at the top of plectane 202, and the outer wall of card post 203 and the inner wall laminating of drum 603.
Specifically, when the traction sheave and the polishing disc 405 are adjusted, the rotating motor 201 can be started, when the rotating motor 201 is started, the rotating shaft installed at the output end of the rotating motor can rotate according to the set direction, then the circular plate 202 and the clamping column 203 installed at the top of the rotating motor can be driven to rotate along the same direction and at the same frequency, then the traction sheave workpiece installed at the top of the circular plate 202 is driven to rotate along with the rotating shaft, when the rotating shaft rotates, the inner wall of the annular rope groove 701 can rub against the outer wall of the polishing disc 405, then the polishing disc 405 can be driven to automatically polish the annular rope groove 701, polishing efficiency is increased, and the annular rope groove 701 can be uniformly polished in the mode, and surface uniformity of the annular rope groove 701 is increased.
As shown in fig. 7, 8 and 9, a fixed limiting ring 5 is installed on the top of the rotating structure 2, a circular retaining ring 501 is installed on the outer wall of the fixed limiting ring 5, an inner annular plate 6 is installed on the top of the fixed limiting ring 5, multiple sets of embedded blocks 601 are evenly installed on the outer wall of the inner annular plate 6, multiple sets of threaded nails 602 are evenly installed on the top of the inner annular plate 6, multiple sets of support rods 604 are evenly installed inside the inner annular plate 6, a cylinder 603 is installed at one end of each support rod 604, an outer annular plate 7 is installed on the top of the fixed limiting ring 5, the outer annular plate 7 is installed around the outer side of the inner annular plate 6, multiple sets of annular rope grooves 701 are evenly arranged on the outer wall of the outer annular plate 7, multiple sets of engaging blocks 702 are evenly installed inside the outer annular plate 7, the outer walls on two sides of each set of engaging block 702 are attached to the outer walls of the other two sets of embedded blocks 601, a movable limiting ring 8 is installed on the top of the inner annular plate 6 and the outer annular plate 7, the top of the movable limiting ring 8 is uniformly provided with a plurality of groups of through grooves 801, and the inner walls of the through grooves 801 are attached to the outer walls of the threaded nails 602.
Specifically, the fixed limiting ring 5 is used for installing the inner annular plate 6, the modules combined by the fixed limiting ring 5, the circular baffle ring 501, the embedded block 601, the threaded nail 602, the cylinder 603, the support rod 604 and other components can be poured in the same mould cavity, the modules combined by the outer annular plate 7, the annular rope groove 701, the clamping block 702 and other components, the movable limiting ring 8 and the through groove 801 can be poured in the other two groups of mould cavities, then the outer annular plate 7 needs to be installed on the outer side of the inner annular plate 6, each group of clamping block 702 is clamped in the groove formed between the two groups of embedded blocks 601, then the movable limiting ring 8 is placed on the tops of the outer annular plate 7 and the inner annular plate 6, the top of the threaded nail 602 correspondingly penetrates through the inside of the through groove 801, then the nut is sleeved on the outer surface of the threaded nail 602 and tightened, and all the component modules of the traction wheel can form a whole, when the traction sheave is used, if the annular rope groove 701 is subjected to large abrasion in the long-term use process, the nut sleeved on the outer surface of the threaded nail 602 can be rotated to separate the nut from the threaded nail, then the movable limiting ring 8 is taken down from the traction sheave which is combined into the traction sheave, then the pulling force which is far away from the inner annular plate 6 is applied to the outer annular plate 7 to separate the nut from the threaded nail gradually, and then the new outer annular plate 7 is installed on the traction sheave.
As shown in fig. 5, two sets of risers 3 are installed at the top of the working plate 1, and the two sets of risers 3 are respectively located the both sides of the rotating structure 2, the transverse plate 302 is installed at the top of the riser 3, the top of the transverse plate 302 is provided with a slot hole, wherein the cylinder 301 is installed at the top of one set of risers 3, the top of the cylinder 301 runs through the inside of the slot hole, two sets of electric telescopic cylinders 303 are installed at the bottom of the transverse plate 302, and the pressing plate 304 is installed at the bottom of the electric telescopic cylinders 303.
Specifically, the vertical plate 3 has a certain height and can provide a certain moving space for the electric telescopic cylinders 303, the horizontal plate 302 is used for installing two groups of electric telescopic cylinders 303, when the traction sheave needs to be placed on the circular plate 202, a certain rotating force can be applied to the horizontal plate 302, at this time, the horizontal plate 302 rotates on the outer surface of the cylinder 301, the horizontal plate 302 can rotate away from the position right above the circular plate 202, the situation that parts installed below the horizontal plate 302 obstruct the placement process of the traction sheave can be avoided, after the traction sheave is placed, the horizontal plate 302 needs to be rotated back to the original position, then the electric telescopic cylinders 303 are started, after the electric telescopic cylinders are started, the electric telescopic cylinders can be upwards contracted or downwards extended for self length, when the electric telescopic cylinders are downwards extended, the pressing plates 304 can be driven to move towards the top of the traction sheave until the bottom of the pressing plates 304 is attached to the top of the traction sheave, and in this way, the traction sheave can be prevented from being rotated and polished under the driving of the rotating motor 201, the polishing effect is affected by the vertical shaking.
As shown in fig. 1, the method for producing the traction sheave comprises the following steps:
s1, manufacturing a mold: designing a drawing, and manufacturing a mold cavity of each block of the traction sheave according to the size of the drawing;
s2, smelting: carrying out ingredient calculation according to the size of a traction wheel, putting ingredients into ingredient smelting equipment, controlling the initial temperature to be 1200-1300 ℃, controlling the temperature to be 1400-1500 ℃ during ingredient smelting, and preparing for discharging operation when the smelting temperature reaches 1470-1500 ℃;
s3, casting a traction sheave: naturally carrying out flow-following treatment on the batching solution in the step S2, pouring the batching solution along the center of the inner circle of the cavity of the traction sheave die when the temperature of the batching solution is reduced to 1300-1350 ℃, wherein the flow can not be cut off in the pouring process, stable and accurate pouring is required, the pouring speed is ensured to be uniform, and during pouring, the batching solution rotates and flows outwards at the center point of the cavity of the die, so that the uniform and consistent upper and lower hardness of the traction sheave workpiece is ensured;
s4, heat preservation treatment: when the temperature of the traction sheave is reduced to 200-300 ℃ in the step S3, opening a mold cavity of the traction sheave, taking out each workpiece of the traction sheave, placing the workpiece in a heat preservation furnace for heat preservation for 15-18H, and then placing the workpiece in a closed space environment with the pressure less than 1 MPa for natural cooling;
s5, cleaning and protecting: carrying out sand cleaning treatment, polishing treatment and surface protection treatment on a traction sheave workpiece;
s6, assembling: assembling all parts forming the traction sheave;
s7, polishing: polishing the annular rope groove 701 of the traction sheave by using a polishing disc 405;
s8, laser surface quenching and hardening treatment: the sheave workpiece in the step S5 is placed near the laser quenching device, and the surfaces of the sets of annular rope grooves 701 of the sheave are laser quenched, respectively.
The laser surface quenching hardening treatment process is simple as a whole and suitable for local treatment, a laser quencher can be used for sequentially emitting light beams to the surface of each annular rope groove 701 from top to bottom, meanwhile, the traction sheave is driven by external force to rotate, hardening treatment is conveniently carried out on one circle of the annular rope grooves 701, after the laser treatment is finished, the strength of the core part of the traction sheave is kept in a state before quenching due to the fact that only the surface layer is heated, self-quenching of the surface of the annular rope grooves 701 is realized by means of rapid heat exchange between the core part of the traction sheave which is not heated and the high-temperature surface, then, martensite hardening layers are obtained, larger residual compressive stress is generated on the surface of the annular rope grooves 701 subjected to surface quenching, the fatigue strength of materials can be improved, the wear resistance of the annular rope grooves 701 is increased, and the service life of the traction sheave is correspondingly prolonged.
In the manufacturing process of step S1, the modules composed of the fixed limit ring 5, the circular stop ring 501, the inner annular plate 6, the engaging block 601, the threaded nail 602, the cylinder 603, the support rod 604 and other components can be poured into the same mold cavity, the modules composed of the outer annular plate 7, the annular rope groove 701, the engaging block 702 and other components can be poured into the same mold cavity, and the movable limit ring 8 and the through groove 801 can be poured into the other mold cavity.
In the manufacturing process of step S6, the outer annular plate 7 needs to be installed outside the inner annular plate 6, each set of engaging blocks 702 needs to be engaged with the groove formed between the two sets of engaging blocks 601, then the movable limiting ring 8 is placed on the top of the outer annular plate 7 and the inner annular plate 6, the top of the threaded nail 602 correspondingly penetrates through the inside of the through groove 801, and then the nut is sleeved on the outer surface of the threaded nail 602 and tightened, so that each component module of the traction sheave forms a whole.
In step S7, the combined traction sheave workpiece is placed above the circular plate 202 to make the outer wall of the clamp column 203 fit with the inner wall of the cylinder 603, then two sets of electric telescopic cylinders 303 are started, which extend downwards to drive the pressing plate 304 mounted below to move towards the top of the traction sheave workpiece until the bottom of the pressing plate 304 fits with the top of the traction sheave workpiece, i.e. stopping the movement of the electric telescopic cylinders 303, then four sets of electric telescopic rods 401 are started, which extend outwards to move the parts mounted at one end of the electric telescopic rods towards the direction of the traction sheave until the outer surfaces of the plurality of sets of polishing discs 405 respectively fit with the inner walls of the plurality of sets of annular rope grooves 701, i.e. stopping the movement of the electric telescopic cylinders 303, and finally the rotating motor 201 is started to make the rotating shaft mounted at the output end rotate, then the circular plate 202 mounted at the top of the electric telescopic rods is driven to rotate, and finally the circular plate 202 drives the traction sheave workpiece mounted at the top of the electric telescopic rods to rotate, when the circular rope groove 701 rotates, the circular rope groove 701 and the polishing disc 405 rub against each other, and the circular rope groove 701 can be uniformly polished.
The working principle is as follows: the module combined by the components such as the fixed limit ring 5, the circular baffle ring 501, the inner annular plate 6, the embedded blocks 601, the threaded nail 602, the cylinder 603 and the support rod 604 can be poured in the same mould cavity, the module combined by the components such as the outer annular plate 7, the annular rope groove 701, the embedded blocks 702 and the like can be poured in the same mould cavity, the movable limit ring 8 and the through groove 801 can be poured in the other mould cavity, when in installation, the outer annular plate 7 is required to be arranged at the outer side of the inner annular plate 6, each group of the embedded blocks 702 is required to be clamped in the groove formed between the two groups of the embedded blocks 601, then the movable limit ring 8 is arranged at the tops of the outer annular plate 7 and the inner annular plate 6, the top of the threaded nail 602 correspondingly penetrates through the inside of the through groove 801, then the nut is sleeved on the outer surface of the threaded nail 602 and tightened, so that each component module of the traction wheel can form a whole, when the traction sheave is used, if the annular rope groove 701 is greatly worn in the long-term use process, the nut sleeved on the outer surface of the threaded nail 602 can be rotated to separate the two, then the movable limiting ring 8 is taken down from the combined traction sheave, then the pulling force far away from the inner annular plate 6 is applied to the outer annular plate 7 to gradually separate the two, then a new outer annular plate 7 is installed on the traction sheave, the whole traction sheave can be prevented from being replaced, when the annular rope groove 701 is ground, the combined traction sheave workpiece needs to be placed above the circular plate 202 to enable the outer wall of the clamping column 203 to be attached to the inner wall of the cylinder 603, then the two groups of electric telescopic cylinders 303 are started, extend downwards to drive the pressing plate 304 installed below to move towards the top of the traction sheave workpiece until the bottom of the pressing plate 304 is attached to the top of the traction sheave workpiece, namely the movement of the electric telescopic cylinders 303 is stopped, then, the four groups of electric telescopic rods 401 are started, when the length of the electric telescopic rods extends outwards, the parts arranged at one end of the electric telescopic rods can be driven to move towards the direction of the traction wheel until the outer surfaces of the plurality of groups of polishing discs 405 are respectively attached to the inner walls of the plurality of groups of annular rope grooves 701, namely, the movement of the electric telescopic cylinder 303 is stopped, finally, the rotating motor 201 is started, after the rotating motor is started, the rotating shaft arranged at the output end can be driven to rotate, then, the circular plate 202 arranged at the top of the rotating motor is driven to rotate, finally, the circular rope grooves 701 can rub against the polishing discs 405 mutually when the rotating motor is rotated, the annular rope grooves 701 can be uniformly polished, a laser quencher can be used for sequentially emitting light beams on the surfaces of the annular rope grooves 701 from top to bottom, meanwhile, the traction wheels are driven by external force to rotate, and then, the hardening treatment can be conveniently carried out on the annular rope grooves 701 for one circle, after the laser treatment is finished, the surface layer is only heated, the strength of the core part of the traction sheave is kept in a state before quenching, the self-quenching of the surface of the annular rope groove 701 is realized by means of rapid heat exchange between the unheated core part of the traction sheave and a high-temperature surface, then a martensite quenching layer is obtained, large residual compressive stress is generated on the surface of the annular rope groove 701 subjected to surface quenching, the fatigue strength of materials can be improved, the wear resistance of the annular rope groove 701 is increased, and the service life of the traction sheave is correspondingly prolonged.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A self-balancing elevator traction sheave and a production method thereof comprise a working plate (1), a rotating structure (2) and a vertical plate (3), and are characterized in that: the bottom of the working plate (1) is provided with a rotating structure (2), the top of the rotating structure (2) penetrates through the inside of the working plate (1), the top of the working plate (1) is provided with two groups of vertical plates (3), and the two groups of vertical plates (3) are respectively positioned on two sides of the rotating structure (2);
four groups of fixed plates (4) are evenly installed at the top of the working plate (1), wherein the backs of two groups of fixed plates (4) and the fronts of the other two groups of fixed plates (4) are respectively attached to the front and the back of two groups of vertical plates (3), an electric telescopic rod (401) is installed on the outer wall of one side of each fixed plate (4) close to a fixed limiting ring (5), a connecting plate (402) is installed at one end of the electric telescopic rod (401), two groups of connecting rods (403) are installed on the outer portion of one side, away from the electric telescopic rod (401), of the connecting plate (402), a fixing column (404) is installed at the top of each connecting rod (403), the bottom of each fixing column (404) penetrates through the inner portion of the other group of connecting rods (403), and a plurality of polishing discs (405) are evenly installed on the outer surface of each fixing column (404).
2. The self-balancing elevator traction sheave and the production method thereof according to claim 1, wherein: fixed spacing ring (5) are installed at the top of revolution mechanic (2), circular fender ring (501) are installed to the outer wall of fixed spacing ring (5), interior annular plate (6) are installed at the top of fixed spacing ring (5), multiunit gomphosis piece (601) are evenly installed to the outer wall of interior annular plate (6), multiunit screw thread nail (602) are evenly installed at the top of interior annular plate (6), multiunit branch (604) are evenly installed to the inside of interior annular plate (6), drum (603) are installed to the one end of branch (604).
3. The self-balancing elevator traction sheave and the production method thereof according to claim 2, wherein: outer annular plate (7) are installed at the top of fixed spacing ring (5), and outer annular plate (7) encircle the outside of installing in interior annular plate (6), the outer wall of outer annular plate (7) evenly is provided with multiunit annular grooving (701), multiunit block piece (702) are evenly installed to the inside of outer annular plate (7), and the both sides outer wall of every block piece of group block piece (702) all with the outer wall laminating of other two sets of gomphosis piece (601), activity spacing ring (8) are installed at the top of interior annular plate (6) and outer annular plate (7), the top of activity spacing ring (8) evenly is provided with multiunit logical groove (801), and the outer wall laminating of the inner wall that leads to groove (801) and screw nail (602).
4. The self-balancing elevator traction sheave and the production method thereof according to claim 1, wherein: diaphragm (302) is installed at the top of riser (3), and the top of diaphragm (302) is provided with the slot hole, and cylinder (301) are installed at the top of one set of riser (3) wherein, and the inside of slot hole is run through at the top of cylinder (301), and two sets of electronic telescopic tube (303) are installed to the bottom of diaphragm (302), and pressboard (304) are installed to the bottom of electronic telescopic tube (303).
5. The self-balancing elevator traction sheave and the production method thereof according to claim 1, wherein: the top of the working plate (1) is provided with an embedded groove (101), a plurality of groups of supporting columns (102) are uniformly arranged at the bottom of the working plate (1), and a bottom plate (103) is arranged at the bottom of each supporting column (102).
6. The self-balancing elevator traction sheave and the production method thereof according to claim 1, wherein: rotating-structure (2) comprises rotation motor (201), plectane (202), card post (203), and the bottom of rotating motor (201) is laminated with the top of bottom plate (103), and the pivot is installed to the output of rotating motor (201), and plectane (202) are installed to the top of pivot, and the outer wall of plectane (202) and the inner wall laminating of gomphosis groove (101), and card post (203) are installed at the top of plectane (202), and the outer wall of card post (203) and the inner wall laminating of drum (603).
7. A self-balancing elevator traction sheave and a production method thereof are characterized in that: the production method of the traction sheave comprises the following specific implementation steps:
s1, manufacturing a mold: designing a drawing, and manufacturing a mold cavity of each block of the traction sheave according to the size of the drawing;
s2, smelting: carrying out ingredient calculation according to the size of a traction wheel, putting ingredients into ingredient smelting equipment, controlling the initial temperature to be 1200-1300 ℃, controlling the temperature to be 1400-1500 ℃ during ingredient smelting, and preparing for discharging operation when the smelting temperature reaches 1470-1500 ℃;
s3, casting a traction sheave: naturally carrying out flow-following treatment on the batching solution in the step S2, pouring the batching solution along the center of the inner circle of the cavity of the traction sheave die when the temperature of the batching solution is reduced to 1300-1350 ℃, wherein the flow can not be cut off in the pouring process, stable and accurate pouring is required, the pouring speed is ensured to be uniform, and during pouring, the batching solution rotates and flows outwards at the center point of the cavity of the die, so that the uniform and consistent upper and lower hardness of the traction sheave workpiece is ensured;
s4, heat preservation treatment: when the temperature of the traction sheave is reduced to 200-300 ℃ in the step S3, opening a mold cavity of the traction sheave, taking out each workpiece of the traction sheave, placing the workpiece in a heat preservation furnace for heat preservation for 15-18H, and then placing the workpiece in a closed space environment with the pressure less than 1 MPa for natural cooling;
s5, cleaning and protecting: carrying out sand cleaning treatment, polishing treatment and surface protection treatment on a traction sheave workpiece;
s6, assembling: assembling all parts forming the traction sheave;
s7, polishing: polishing the annular rope groove (701) of the traction sheave by using a polishing disc (405);
s8, laser surface quenching and hardening treatment: the traction sheave workpiece in the step S5 is placed near the laser quenching device, and the surfaces of the sets of annular rope grooves (701) of the traction sheave are respectively subjected to laser quenching.
8. The self-balancing elevator traction sheave and the production method thereof of claim 7, wherein: in the manufacturing process of the step S1, modules formed by combining components such as the fixed limiting ring (5), the circular retaining ring (501), the inner annular plate (6), the embedded block (601), the threaded nail (602), the cylinder (603) and the support rod (604) can be poured in the same mold cavity, modules formed by combining components such as the outer annular plate (7), the annular rope groove (701) and the clamping block (702) can be poured in the same mold cavity, and the movable limiting ring (8) and the through groove (801) can be poured in the other mold cavity.
9. The self-balancing elevator traction sheave and the production method thereof of claim 7, wherein: in the manufacturing process in the step S6, the outer annular plate (7) needs to be installed on the outer side of the inner annular plate (6), each group of the clamping blocks (702) is clamped in the groove formed between the two groups of the embedding blocks (601), then the movable limiting ring (8) is placed on the tops of the outer annular plate (7) and the inner annular plate (6), the top of the threaded nail (602) is made to correspondingly penetrate through the inside of the through groove (801), then the nut is sleeved on the outer surface of the threaded nail (602) and tightened, and all the component modules of the traction wheel can form a whole.
10. The self-balancing elevator traction sheave and the production method thereof of claim 7, wherein: in the step S7, the combined traction sheave workpiece needs to be placed above the circular plate (202), the outer wall of the clamping column (203) is made to be attached to the inner wall of the cylinder (603), then two groups of electric telescopic cylinders (303) are started, which extend downwards to drive the pressing plate (304) mounted below to move towards the top of the traction sheave workpiece until the bottom of the pressing plate (304) is attached to the top of the traction sheave workpiece, i.e. the movement of the electric telescopic cylinders (303) is stopped, then four groups of electric telescopic rods (401) are started, which can drive the parts mounted at one end of the electric telescopic rods to move towards the direction of the traction sheave when extending outwards for a length, until the outer surfaces of a plurality of groups of grinding discs (405) are respectively attached to the inner walls of a plurality of groups of annular rope grooves (701), i.e. the movement of the electric telescopic cylinders (303) is stopped, finally, the rotating motor (201) is started, which can drive the rotating shaft mounted at the output end to rotate, then the circular plate (202) arranged on the top of the circular plate is driven to rotate, finally the circular plate (202) can drive a traction wheel workpiece arranged on the top of the circular plate to rotate, when the circular plate rotates, the annular rope groove (701) and the polishing disc (405) rub against each other, and the annular rope groove (701) can be uniformly polished.
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| CN202110827639.7A CN113458734B (en) | 2021-07-21 | 2021-07-21 | Self-balancing elevator traction sheave and production method thereof |
| ZA2022/03754A ZA202203754B (en) | 2021-07-21 | 2022-04-01 | Self-balancing elevator traction sheave and production method thereof |
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| CN202110827639.7A CN113458734B (en) | 2021-07-21 | 2021-07-21 | Self-balancing elevator traction sheave and production method thereof |
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| CN114906704A (en) * | 2022-05-11 | 2022-08-16 | 苏州默顿快速电梯有限公司 | Steady operation elevator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113458734B (en) | 2022-03-08 |
| ZA202203754B (en) | 2022-05-25 |
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